19768696973 has 16 divisors (see below), whose sum is σ = 20276255232. Its totient is φ = 19269600000.

The previous prime is 19768696957. The next prime is 19768696979. The reversal of 19768696973 is 37969686791.

It is a cyclic number.

It is not a de Polignac number, because 19768696973 - 2⁴ = 19768696957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19768696897 and 19768696906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19768696979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1717628 + ... + 1729098.

It is an arithmetic number, because the mean of its divisors is an integer number (1267265952).

Almost surely, 2^19768696973 is an apocalyptic number.

It is an amenable number.

19768696973 is a deficient number, since it is larger than the sum of its proper divisors (507558259).

19768696973 is a wasteful number, since it uses less digits than its factorization.

19768696973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11836.

The product of its digits is 185177664, while the sum is 71.

The spelling of 19768696973 in words is "nineteen billion, seven hundred sixty-eight million, six hundred ninety-six thousand, nine hundred seventy-three".